CN109546761A - A kind of energy collection circuit and terminal - Google Patents
A kind of energy collection circuit and terminal Download PDFInfo
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- CN109546761A CN109546761A CN201811294957.6A CN201811294957A CN109546761A CN 109546761 A CN109546761 A CN 109546761A CN 201811294957 A CN201811294957 A CN 201811294957A CN 109546761 A CN109546761 A CN 109546761A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The embodiment of the invention discloses a kind of energy collection circuit and terminals, are related to internet of things field, solve the problems, such as since the cruising ability of the limited battery for leading to terminal of the electromagnetic wave received is lower.The specific scheme is that energy collection circuit includes processor, RF transceiver, energy conversion module, power management module, first antenna group and the second antenna sets.Processor, for when determining that RF transceiver is in close state, the signal that the second antenna of at least one in at least one first antenna and/or the second antenna sets in first antenna group receives to be transmitted to energy conversion module；Electric energy after conversion for the electromagnetic wave of the signal of the antenna received to be converted into electric energy, and is sent to power management module by energy conversion module；Power management module, for using the electric energy received for battery power supply.The embodiment of the present invention for honeycomb internet-of-things terminal it is battery powered during.
Description
Technical field
The present embodiments relate to internet of things field more particularly to a kind of energy collection circuit and terminals.
Background technique
With the rise of honeycomb Internet of Things, based on enhancing machine type communication (Enhanced Machine-Type
Communication, eMTC) technology and narrowband Internet of Things (Narrow Band Internet of Things, NB-IoT) skill
The honeycomb internet-of-things terminal of art starts to occur on the market, which has small size, battery power supply, for the need of information transmission
Ask the features such as limited.Based on these features, to reduce system complexity and power consumption cost, lifting means is used for the design of the terminal
Service life is principle.But in many application scenarios, the cruising ability of battery is that the terminal needs asking for emphasis consideration in the design
Topic.
In the prior art, it is assumed that honeycomb internet-of-things terminal includes two antennas, then in the RF transceiver of the terminal
Under working condition, signal can be received by a wherein antenna sending and receiving data, while by another antenna, and by the signal
Electromagnetic wave be converted to electric energy, for battery power.But in the prior art since the electromagnetic wave received is limited, so that conversion
Electric energy afterwards is less, lower so as to cause the cruising ability of battery, and therefore, the energy for how promoting electromagnetic wave to greatest extent turns
Changing is current urgent problem to be solved.
Summary of the invention
The present invention provides a kind of energy collection circuit and terminal, and solving leads to terminal since the electromagnetic wave received is limited
Battery the lower problem of cruising ability.
In order to achieve the above objectives, the present invention adopts the following technical scheme:
In a first aspect, the present invention provides a kind of energy collection circuit, which may include: processor, penetrates
Frequency transceiver, energy conversion module, power management module, first antenna group and the second antenna sets, first antenna group include N root
First antenna, the second antenna sets include the second antenna of M root, and N, M are the integer more than or equal to 1.Wherein, power management module packet
Battery is included, N root first antenna is connect with energy conversion module respectively, and the second antenna of M root is connect with RF transceiver respectively.Processing
Device, for when determining that RF transceiver is in close state, by at least one first antenna and/or in first antenna group
The signal that the second antenna of at least one in two antenna sets receives is transmitted to energy conversion module；Energy conversion module is used for
The electromagnetic wave of the signal of the antenna received is converted into electric energy, and the electric energy after conversion is sent to power management module；Electricity
Source control module, for using the electric energy received for battery power supply.
With reference to first aspect, in one possible implementation, energy collection circuit can also include: and N root first
One-to-one first single-pole double-throw switch (SPDT) of antenna, with one-to-one second single-pole double-throw switch (SPDT) of the second antenna of M root.Wherein,
The input terminal of first single-pole double-throw switch (SPDT) is connect with energy conversion module, the first output end of the first single-pole double-throw switch (SPDT) connection the
The second output terminal of first output end of two single-pole double-throw switch (SPDT)s, the first single-pole double-throw switch (SPDT) connects first antenna；Second hilted broadsword
The input terminal of commutator is connect with the second antenna, and the second output terminal of the second single-pole double-throw switch (SPDT) connects RF transceiver.
With reference to first aspect with above-mentioned possible implementation, in alternatively possible implementation, processor, specifically
For: when determining that RF transceiver is in close state, the first single-pole double-throw switch (SPDT) of control gets to second output terminal；Alternatively,
When determining that RF transceiver is in close state, the first single-pole double-throw switch (SPDT) of control gets to the first output end, and controls second
Single-pole double-throw switch (SPDT) gets to the first output end.
With reference to first aspect with above-mentioned possible implementation, in alternatively possible implementation, collection of energy is electric
Road can also include: the first coupler being arranged between first antenna and the second output terminal of the first single-pole double-throw switch (SPDT), set
Set the second coupler between the second antenna and the input terminal of the second single-pole double-throw switch (SPDT), and with the first coupler and second
The comparator of coupler connection.First coupler, the signal for receiving first antenna couple, and will be after coupling
Signal is transmitted to comparator；Second coupler, the signal for receiving the second antenna couple, and by the letter after coupling
Number it is transmitted to comparator；Comparator, for from the second antenna of N root first antenna and M root, selecting after coupling after unlatching
The strongest target antenna of the energy of signal, and to processor send target antenna information.
With reference to first aspect with above-mentioned possible implementation, in alternatively possible implementation, processor, specifically
For: when determining that RF transceiver is in close state, control comparator is opened；If target antenna be one first day
Line then controls corresponding first single-pole double-throw switch (SPDT) of a first antenna and gets to second output terminal；If target antenna is one
The second antenna of root then controls corresponding first single-pole double-throw switch (SPDT) and gets to the first output end, and controls second antenna pair
The second single-pole double-throw switch (SPDT) answered gets to the first output end.
With reference to first aspect with above-mentioned possible implementation, in alternatively possible implementation, processor is also used
In when determining that RF transceiver is in running order, control comparator is closed.
With reference to first aspect with above-mentioned possible implementation, in alternatively possible implementation, collection of energy is electric
Road can also include: with the one-to-one double-point double-throw switch of N root first antenna, with the one-to-one hilted broadsword of the second antenna of M root
Commutator.Wherein, the first input end of double-point double-throw switch and the second input terminal, connect with energy conversion module, double-pole
First output end of the first output end connection single-pole double-throw switch (SPDT) of commutator, the second output terminal connection of double-point double-throw switch
First antenna；The input terminal of single-pole double-throw switch (SPDT) is connect with the second antenna, and the second output terminal of single-pole double-throw switch (SPDT) connects radio frequency
Transceiver.
With reference to first aspect with above-mentioned possible implementation, in alternatively possible implementation, processor, specifically
For: when determining that RF transceiver is in close state, control the first input end and second output terminal of double-point double-throw switch
Connection, the second input terminal is connect with the first output end, and is controlled single-pole double-throw switch (SPDT) and got to the first output end.
Second aspect, the present invention provide a kind of control method of collection of energy, are applied to such as first aspect or first aspect
Any one of possible implementation energy collection circuit.This method may include: to determine that RF transceiver is in
When closed state, by least one second day in at least one first antenna and/or the second antenna sets in first antenna group
The electromagnetic wave for the signal that line receives is converted into electric energy；Use the electric energy after converting into battery power supply.
The third aspect provides a kind of terminal, which may include: the possible realization such as first aspect or first aspect
The energy collection circuit of any one of mode.
Energy collection circuit provided by the invention, by when determining that RF transceiver is in close state, by first day
The electromagnetism for the signal that the second antenna of at least one at least one first antenna and/or the second antenna sets in line group receives
Wave is converted into electric energy, for battery power supply.In this way, since the present invention can be at battery saving mode (Power Save Mode), it will
The electromagnetic wave for the signal that antenna receives is converted into electric energy, with it is in the prior art in a power-save mode, antenna is in idle shape
State is compared, and the electric energy after conversion is more, improves the cruising ability of terminal.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of energy collection circuit provided in an embodiment of the present invention；
Fig. 2 is a kind of work flow diagram of energy collection circuit provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram of another energy collection circuit provided in an embodiment of the present invention；
Fig. 4 is the schematic diagram of another energy collection circuit provided in an embodiment of the present invention；
Fig. 5 is the schematic diagram of another energy collection circuit provided in an embodiment of the present invention；
Fig. 6 is a kind of flow chart of the control method of collection of energy provided in an embodiment of the present invention；
Fig. 7 is a kind of schematic diagram of terminal provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1 is a kind of schematic diagram of energy collection circuit provided in an embodiment of the present invention, as shown in Figure 1, the collection of energy
Circuit may include: processor 11, RF transceiver 12, energy conversion module 13, power management module 14, first antenna group 15
And second antenna sets 16, first antenna group 15 include N root first antenna, the second antenna sets 16 include the second antenna of M root, N, M
For the integer more than or equal to 1.
Wherein, power management module 14 may include battery 141, N root first antenna 15 respectively with energy conversion module 13
Connection, the second antenna of M root 16 are connect with RF transceiver 12 respectively, and different antennas is used to receive the signal of different frequency range.
Processor 11, for when determining that RF transceiver 12 is in close state, by first antenna group 15 at least
The signal that the second antenna of at least one in a piece first antenna and/or the second antenna sets 16 receives is transmitted to energy modulus of conversion
Block 13.
Energy conversion module 13, for the electromagnetic wave of the signal of the antenna received to be converted into electric energy, and will be after conversion
Electric energy be sent to power management module 14.
Power management module 14, for using the electric energy received for the power supply of battery 141.
It should be noted that in embodiments of the present invention, the closed state of RF transceiver refers to that terminal enters power saving
Mode.Specifically, Fig. 2 is a kind of work flow diagram of energy collection circuit provided in an embodiment of the present invention, as shown in Fig. 2,
The period is printed, RF transceiver is in running order, and in the T2 period, RF transceiver is in close state.
In this way, by when determining that RF transceiver is in close state, by at least one first in first antenna group
The electromagnetic wave for the signal that the second antenna of at least one in antenna and/or the second antenna sets receives is converted into electric energy, Lai Wei electricity
Pond power supply.It is and existing since the electromagnetic wave for the signal that antenna receives can be converted into electric energy in a power-save mode by the present invention
In technology in a power-save mode, antenna is compared in idle state, and the electric energy after conversion is more, improves the continuation of the journey energy of terminal
Power.
Further, in embodiments of the present invention, be based on Fig. 1, as shown in figure 3, energy collection circuit can also include: with
One-to-one first single-pole double-throw switch (SPDT) 17 of N root first antenna 15, it is double with one-to-one second hilted broadsword of the second antenna of M root 16
Throw switch 18.It is illustrated so that N and M are 1 as an example in Fig. 3 of the embodiment of the present invention.
Wherein, the input terminal of the first single-pole double-throw switch (SPDT) 17 is connect with energy conversion module 13, the first single-pole double-throw switch (SPDT)
17 the first output end connects the first output end of the second single-pole double-throw switch (SPDT) 18, the second output of the first single-pole double-throw switch (SPDT) 17
End connection first antenna 15.The input terminal of second single-pole double-throw switch (SPDT) 18 is connect with the second antenna 16, the second single-pole double-throw switch (SPDT)
18 second output terminal connects RF transceiver 12.
Based on Fig. 3, processor 11 is specifically used for: when determining that RF transceiver 12 is in close state, control first is single
Double-pole double throw switch 17 gets to second output terminal, is converted with the electromagnetic wave of the signal received to first antenna 15.Alternatively, place
Device 11 is managed, specifically for when determining that RF transceiver 12 is in close state, the first single-pole double-throw switch (SPDT) 17 of control gets to the
One output end, and control the second single-pole double-throw switch (SPDT) 18 and get to the first output end, with the signal that is received to the second antenna 16
Electromagnetic wave is converted.In this way, switching of the processor by control the first single-pole double-throw switch (SPDT) and the second single-pole double-throw switch (SPDT), energy
It enough realizes a piece antenna of any selection, the electromagnetic wave for the signal which receives is converted.
Correspondingly, processor 11, is also used to when determining that RF transceiver 12 is in running order, the first hilted broadsword of control is double
Throw switch 17 gets to second output terminal, is converted with the electromagnetic wave of the signal received to first antenna 15, and controls second
Single-pole double-throw switch (SPDT) 18 gets to second output terminal, to carry out the reception of data by the second antenna 16.
It should be noted that in the case where first antenna group and the second antenna sets include more antennas, processor energy
Enough switchings by controlling the first single-pole double-throw switch (SPDT) corresponding with every first antenna, and it is corresponding with every second antenna
The switching of second single-pole double-throw switch (SPDT), to realize at least one in more first antennas of selection, at least one first day
The electromagnetic wave for the signal that line receives is converted, alternatively, realizing at least one in more second antennas of selection, at least to this
The electromagnetic wave for the signal that piece second antenna receives is converted.
In addition, in embodiments of the present invention, processor can control the switching of single-pole double-throw switch (SPDT) by control signal.
Further, in embodiments of the present invention, it is based on Fig. 3, as shown in figure 4, energy collection circuit can also include: to set
It sets the first coupler 21 between first antenna 15 and the second output terminal of the first single-pole double-throw switch (SPDT) 17, be arranged at second day
The second coupler 22 between line 16 and the input terminal of the second single-pole double-throw switch (SPDT) 18, and with the first coupler 21 and the second coupling
The comparator 23 that clutch 22 connects.
First coupler 21, the signal for receiving first antenna 15 couple, and the signal after coupling is passed
Transport to comparator 23.
Second coupler 22, the signal for receiving the second antenna 16 couple, and the signal after coupling is passed
Transport to comparator 23.
Comparator 23, for the letter after unlatching, from N root first antenna 15 and the second antenna of M root 16, after selection coupling
Number the strongest target antenna of energy, and to processor 11 send target antenna information.
Based on Fig. 4, processor 11 is specifically used for: when determining that RF transceiver 12 is in close state, controlling comparator
23 open；If target antenna is first antenna 15, controls corresponding first single-pole double-throw switch (SPDT) 17 of first antenna 15 and get to
Second output terminal is converted with the electromagnetic wave of the signal received to first antenna 15；If target antenna is the second antenna
16, then it controls corresponding first single-pole double-throw switch (SPDT) 17 and gets to the first output end, and it is single to control the second antenna 16 corresponding second
Double-pole double throw switch 18 gets to the first output end, is converted with the electromagnetic wave of the signal received to the second antenna 16.In this way, just
It can be realized the strongest antenna of selection signal intensity from all antennas, the electromagnetic wave for the signal which receives turned
It changes.
It should be noted that processor 11, is also used to when determining that RF transceiver 12 is in running order, control is compared
Device 23 is closed.
Further, in embodiments of the present invention, be based on Fig. 1, as shown in figure 5, energy collection circuit can also include: with
The one-to-one double-point double-throw switch 31 of N root first antenna 15, with the one-to-one single-pole double-throw switch (SPDT) of the second antenna of M root 16
32.It is illustrated so that N and M are 1 as an example in Fig. 5 of the embodiment of the present invention.
Wherein, the first input end of double-point double-throw switch 31 and the second input terminal, connect with energy conversion module 13, double
First output end of the first output end connection single-pole double-throw switch (SPDT) 32 of double-pole double throw switch 31, the second of double-point double-throw switch 31 are defeated
Outlet connects first antenna 15.The input terminal of single-pole double-throw switch (SPDT) 32 is connect with the second antenna 16, and the of single-pole double-throw switch (SPDT) 32
Two output ends connect RF transceiver 12.
Based on Fig. 5, processor 11 is specifically used for: when determining that RF transceiver 12 is in close state, control double-pole is double
The first input end of throw switch 31 is connect with second output terminal, and the second input terminal is connect with the first output end, and it is double to control hilted broadsword
Throw switch 32 gets to the first output end, is converted into the electromagnetic wave for the signal that first antenna and the second antenna receive with realizing
Electric energy.And in the case where N and M are all larger than 1, processor can also be opened by control double-point double-throw switch 31 and single-pole double throw
The switching for closing 32, is converted come the electromagnetic wave of the signal received to all antennas that terminal includes.
Further, in embodiments of the present invention, it is based on Fig. 5, energy collection circuit can also include: to be arranged at first day
Coupler, setting between line 15 and the second output terminal of double-point double-throw switch 31 is in the second antenna 16 and single-pole double-throw switch (SPDT) 32
Input terminal between coupler, and the comparator being connect with coupler.In this way, controller can be selected from all antennas
The strongest target antenna of energy of signal after selecting coupling, and double-point double-throw switch 31 and single-pole double throw are controlled according to selection result
The switching of switch 32, to realize that the electromagnetic wave for receiving target antenna is converted into electric energy.
Fig. 6 is a kind of flow chart of the control method of collection of energy provided in an embodiment of the present invention, and this method is applied to such as
Any energy collection circuit in Fig. 1-Fig. 5, as shown in fig. 6, this method may include:
401, determine that RF transceiver is in close state.
402, by least one second day in at least one first antenna and/or the second antenna sets in first antenna group
The electromagnetic wave for the signal that line receives is converted into electric energy.
403, use the electric energy after converting into battery power supply.
The control method of collection of energy provided by the invention, due to can in a power-save mode, the letter that antenna is received
Number electromagnetic wave be converted into electric energy, with it is in the prior art antenna is compared in idle state in a power-save mode, after conversion
Electric energy is more, improves the cruising ability of terminal.
Fig. 7 is a kind of schematic diagram of terminal provided in an embodiment of the present invention, as shown in fig. 7, the terminal may include: such as figure
Any energy collection circuit in 1- Fig. 5.
Terminal provided in an embodiment of the present invention includes above-mentioned energy collection circuit, therefore be can achieve and above-mentioned collection of energy
The identical effect of circuit.
Through the above description of the embodiments, it is apparent to those skilled in the art that, for description
It is convenienct and succinct, only the example of the division of the above functional modules, in practical application, can according to need and will be upper
It states function distribution to be completed by different functional modules, i.e., the internal structure of device is divided into different functional modules, to complete
All or part of function described above.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Change or replacement in the technical scope disclosed by the present invention, should be covered by the protection scope of the present invention.Therefore, this hair
Bright protection scope should be based on the protection scope of the described claims.
Claims (9)
1. a kind of energy collection circuit, which is characterized in that the energy collection circuit includes: processor, RF transceiver, energy
Conversion module, power management module, first antenna group and the second antenna sets, the first antenna group include N root first antenna,
Second antenna sets include the second antenna of M root, and N, M are the integer more than or equal to 1；
Wherein, the power management module includes battery, and the N root first antenna is connect with the energy conversion module respectively,
Second antenna of M root is connect with the RF transceiver respectively；
The processor, for when determining that the RF transceiver is in close state, by the first antenna group extremely
The signal that the second antenna of at least one in a few first antenna and/or second antenna sets receives is transmitted to the energy
Measure conversion module；
The energy conversion module, for the electromagnetic wave of the signal of the antenna received to be converted into electric energy, and will be after conversion
Electric energy is sent to the power management module；
The power management module, for using the electric energy received to power for the battery.
2. energy collection circuit according to claim 1, which is characterized in that the energy collection circuit further include: with institute
One-to-one first single-pole double-throw switch (SPDT) of N root first antenna is stated, it is double with one-to-one second hilted broadsword of the second antenna of M root
Throw switch；
Wherein, the input terminal of first single-pole double-throw switch (SPDT) is connect with the energy conversion module, first single-pole double throw
First output end of switch connects the first output end of second single-pole double-throw switch (SPDT), and the of first single-pole double-throw switch (SPDT)
Two output ends connect the first antenna；The input terminal of second single-pole double-throw switch (SPDT) is connect with second antenna, described
The second output terminal of second single-pole double-throw switch (SPDT) connects the RF transceiver.
3. energy collection circuit according to claim 2, which is characterized in that the processor is specifically used for:
When determining that the RF transceiver is in the closed state, it is defeated that control first single-pole double-throw switch (SPDT) gets to second
Outlet；Alternatively,
When determining that the RF transceiver is in the closed state, it is defeated that control first single-pole double-throw switch (SPDT) gets to first
Outlet, and control second single-pole double-throw switch (SPDT) and get to the first output end.
4. energy collection circuit according to claim 2, which is characterized in that the energy collection circuit further include: setting
The first coupler between the first antenna and the second output terminal of first single-pole double-throw switch (SPDT), setting are described the
The second coupler between two antennas and the input terminal of second single-pole double-throw switch (SPDT), and with first coupler and institute
State the comparator of the second coupler connection；
First coupler, the signal for receiving the first antenna couple, and the signal after coupling is passed
Transport to the comparator；
Second coupler, the signal for receiving second antenna couple, and the signal after coupling is passed
Transport to the comparator；
The comparator, for from the N root first antenna and second antenna of M root, selecting after coupling after unlatching
The strongest target antenna of the energy of signal, and send to processor the information of the target antenna.
5. energy collection circuit according to claim 4, which is characterized in that the processor is specifically used for:
When determining that the RF transceiver is in the closed state, controls the comparator and open；
If the target antenna is a first antenna, controls corresponding first single-pole double throw of a first antenna and open
Second output terminal is got in pass；
If the target antenna is second antenna, controls corresponding first single-pole double-throw switch (SPDT) and get to the first output
End, and control corresponding second single-pole double-throw switch (SPDT) of second antenna and get to the first output end.
6. energy collection circuit according to claim 4, which is characterized in that
The processor is also used to when determining that the RF transceiver is in running order, is controlled the comparator and is closed.
7. energy collection circuit according to claim 1, which is characterized in that the energy collection circuit further include: with institute
The one-to-one double-point double-throw switch of N root first antenna is stated, with the one-to-one single-pole double-throw switch (SPDT) of second antenna of M root；
Wherein, the first input end of the double-point double-throw switch and the second input terminal, connect with the energy conversion module, institute
The first output end for stating double-point double-throw switch connects the first output end of the single-pole double-throw switch (SPDT), the double-point double-throw switch
Second output terminal connects the first antenna；The input terminal of the single-pole double-throw switch (SPDT) is connect with second antenna, the list
The second output terminal of double-pole double throw switch connects the RF transceiver.
8. energy collection circuit according to claim 7, which is characterized in that the processor is specifically used for:
When determining that the RF transceiver is in the closed state, control the first input end of the double-point double-throw switch with
Second output terminal connection, the second input terminal is connect with the first output end, and is controlled the single-pole double-throw switch (SPDT) and got to the first output
End.
9. a kind of terminal is applied to honeycomb Internet of Things, which is characterized in that the terminal includes: such as any one of claim 1-8
The energy collection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811294957.6A CN109546761A (en) | 2018-11-01 | 2018-11-01 | A kind of energy collection circuit and terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811294957.6A CN109546761A (en) | 2018-11-01 | 2018-11-01 | A kind of energy collection circuit and terminal |
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Application publication date: 20190329 |
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